The half-life of .^215At is 100mus. The ...

The half-life of `.^215At` is `100mus`. The time taken for the activity of a sample of `.^215At` to decay to `1/16th` of its initial value is

`400 mu s`

`6.3 mu s`

`40 mu s`

`300 mu s`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NUCLEAR PHYSICS
RESONANCE ENGLISH|Exercise Exercise-2 Part -2 Single and double value interger type|15 Videos
NUCLEAR PHYSICS
RESONANCE ENGLISH|Exercise Exercise-2 Part-3 One more than one options correct type|7 Videos
NUCLEAR PHYSICS
RESONANCE ENGLISH|Exercise Exercise-1 Part-2 Only one option correct type|27 Videos
GRAVITATION
RESONANCE ENGLISH|Exercise HIGH LEVEL PROBLEMS|16 Videos
REVISION DPP
RESONANCE ENGLISH|Exercise All Questions|463 Videos

Similar Questions

Explore conceptually related problems

The half - life of ^(215) At is 100 mu , s. The time taken for the radioactivity of a sample of ^(215) At to decay to 1//16^(th) of its initially value is

The half-life of ""^(215)At is 100mus . Find the time taken for the radioactivity of a sample of ""^(215) At to decay to 1/(16)th of its initial value:

The half-life of Bi^210 is 5 days. What time is taken by (7//8)^th part of the sample of decay ?

The half-life of a radioactive substance is 100 years, Calculate in how many years the activity will decay to 1/10th of its initial value.

The life-life of Bi^210 is 5 days. What time is taken by (7//8)^th part of the sample of decay ?

The half life of a radioactive substance is 20s, the time taken for the sample to decay by 7//8^(th) of its initial value is

The half-life of a radioactive substance is 5000 years. In how many years, its activity will decay to 0.2 times of its initial value ? Given "log"_10 5 = 0.6990.

The half-life of a radioactive decay is x times its mean life. The value of zx is

Let C be the capacitance of a capacitor discharging through a resistor R. Suppose t_1 is the time taken for the energy stored in the capacitor to reduce to half its initial value and t_2 is the time taken for the charge to reduce to one-fourth its initial value. Then the ratio t_1//t_2 will be

Find the half-life period of a radioactive material if its activity drops of (1/16)^(th) of its initial value in 40 years.

RESONANCE ENGLISH-NUCLEAR PHYSICS-Exercise 2 Part-1 Only one option correct type

Choose the wrong statement
Text Solution
|
Binding energy per nucleon of fixed nucleus X^(A) is 6 MeV. It absorbs...
Text Solution
|
The half-life of .^215At is 100mus. The time taken for the activity of...
Text Solution
|
A fre neutron decays into a proton an electron and
Text Solution
|
Protons and singly ionized atoms of U^(235) & U^(238) are passed in tu...
Text Solution
|
When a beta-particle is emittd from a nucleus , the neutron - proton...
Text Solution
|
Consider a sample of a pure beta-active material
Text Solution
|
Masses of two isobars .(29)Cu^(64) and .(30)Zn^(64) are 63.9298 u and ...
Text Solution
|
In an alpha -decay the Kinetic energy of alpha particle is 48 MeV and ...
Text Solution
|
A free ^238U nucleus kept in a train emits an alpha particle. When the...
Text Solution
|
A nucleus with mass number 220 initially at rest emits an alpha partic...
Text Solution
|
A charged capacitor of capacitance C is discharged through a resistanc...
Text Solution
|
At time t=O, some radioactive gas is injected into a sealed vessel. At...
Text Solution
|
A sample of radioactive material has mass m, decay constant lambda, an...
Text Solution
|
Two radioactive substances X and Y initially contain an equal number o...
Text Solution
|
Two identical samples (same material and same amount) P and Q of a rad...
Text Solution
|
N atoms of a radioactive element emit n number of alpha-particles per ...
Text Solution
|
The radioactivity of an old sample of whisky due to tritium (half life...
Text Solution
|
A overset(lambda(1)) rarr B overset (lambda(2))rarr C t=0 N(0) 0 ...
Text Solution
|
90% of a radioactive sample is left undecayed after time t has elapsed...
Text Solution
|